content: /*
   * Copyright 2011-2016 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package ix;
  
  import org.junit.*;
  
  public class AsComposeTest {
  
      @Test
      public void normal() {
          Integer value = Ix.range(1, 5).as(new IxFunction<Ix<Integer>, Integer>() {
              @Override
              public Integer apply(Ix<Integer> ix) {
                  return ix.first();
              }
          });
  
          Assert.assertEquals(1, value.intValue());
      }
  
      @Test
      public void compose() {
          Ix<String> source = Ix.range(1, 5).compose(new IxFunction<Ix<Integer>, Iterable<String>>() {
              @Override
              public Iterable<String> apply(Ix<Integer> ix) {
                  final int[] index = { 1 };
                  return ix.map(new IxFunction<Integer, String>() {
                      @Override
                      public String apply(Integer v) {
                          return v + "-" + (index[0]++);
                      }
                  });
              }
          });
  
          IxTestHelper.assertValues(source, "1-1", "2-2", "3-3", "4-4", "5-5");
  
          IxTestHelper.assertValues(source, "1-1", "2-2", "3-3", "4-4", "5-5");
      }
  }
  